BEL 20 closes 0.1 percent lower as argenx slides
Published on 10/16/2026 at 19:18 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSClosing balance and next dates
- BEL 20 closed at 5,586 points on October 16, down 6 points or 0.1 percent.
- Healthcare, basic materials and beverage stocks led sector declines on Friday.
- argenx was the biggest loser, falling 4.1 percent at the close.
- China will release third-quarter GDP data on October 19 at 4:00 a.m. CEST.
The BEL 20 closed on October 16, 2026 at 5,586 points, down 6 points or 0.1 percent, Beursduivel reported. The decline followed a 4.1 percent drop in argenx, which was identified as the main drag on the index.
argenx fell 4.1 percent, while D'Ieteren led the gainers with a 2.0 percent rise. The move ended a five-session advance, but the BEL 20 still gained 2.4 percent over the week.
Why did the BEL 20 slip on October 16?
Losses in healthcare, basic materials and beverages weighed on Belgian shares, according to Investing.com. The sector declines outweighed gains in several individual stocks.
Winners and losers in the BEL 20
Winners and losers at the Brussels close according to Investing.com:
- D'Ieteren up 2.0 percent
- Elia up 2.0 percent
- Melexis up 1.8 percent
- argenx down 4.1 percent
- Syensqo down 2.4 percent
- UCB down 0.7 percent
Advancing stocks outnumbered declining stocks 50 to 41, while nine finished unchanged, the same source said.
BEL 20 keeps a weekly gain after Friday's dip
The index ended lower after five consecutive rising sessions. Its weekly gain was 2.4 percent, even as argenx reversed the stronger tone in healthcare shares.
What comes next for the BEL 20
- October 19, 2026, 4:00 a.m. CEST: China releases third-quarter GDP, September industrial production and retail sales data, Deutsche Boerse lists.
- October 19, 2026, 3:00 p.m. CEST: Belgium publishes its October business-confidence reading, Deutsche Boerse lists.
BEL 20 price data for October 16, 2026
The BEL 20 closed at 5,586 points on October 16, 2026, down 6 points or 0.1 percent from 5,592 points on October 15, Beursduivel reported.
BEL 20 by the numbers on October 16, 2026
- Index: BEL 20
- Home exchange: Euronext Brussels, Belgium
- Close on October 16, 2026: 5,586 points
- Change versus previous close of October 15, 2026: down 6 points (down 0.1 percent)
- Previous close: 5,592 points
- Top gainer: D'Ieteren up 2.0 percent
- Top loser: argenx down 4.1 percent
- Next scheduled event: October 19, 2026, 4:00 a.m. CEST: China third-quarter GDP data
